pka_value	data_source	charge_state_pre	charge_state_post	microspecies_pre	microspecies_post	molid	smiles
7.52	IUPAC digitized pKa	1	0	CN[NH2+]C	CNNC	mol5802	CNNC
7.32	OCHEM	1	0	CN[NH2+]C	CNNC	mol5802	CNNC
7.49	AttenGpKa training set	1	0	CN[NH2+]C	CNNC	mol5802	CNNC
5.2	Datawarrior	2	1	C[NH2+][NH2+]C	CN[NH2+]C	mol5802	CNNC
5.1999998	OCHEM	2	1	C[NH2+][NH2+]C	CN[NH2+]C	mol5802	CNNC